\documentclass{report}
\input{preamble}
\input{macros}
\input{letterfonts}
\begin{document}
	
	\thispagestyle{empty}
	\mytitleb{Title Here}{Soham Chatterjee}{sohamchatterjee999@gmail.com}{2021}
	\newpage% or \cleardoublepage
	\tableofcontents
	\chapter{First Chapter}
	\section{Section 1}
	\dfn{Definition Topic}{Definition Statement}
	\thm{Theorem Name}{Theorem Statement}
	\cor[cori]{Corollary Name}{Corollary Statement}
	\lem{Lemma Name}{Lemma Statement}
	\clm{Claim Name}{Claim Statement}
	\ex{Example Name}{Example explained}
\opn{Open Question Name}{Question Statement}
\qs{Question Name}{Question Statement}
\nt{Special Note}
\wc{Wrong Concept topic}{Explanation}
\pf{Proof}{Proof}
	
\chapter{Second Chapter}
\section{Section 1}
\end{document}